java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:08:57,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:08:57,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:08:57,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:08:57,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:08:57,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:08:57,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:08:57,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:08:57,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:08:57,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:08:57,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:08:57,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:08:57,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:08:57,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:08:57,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:08:57,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:08:57,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:08:57,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:08:57,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:08:57,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:08:57,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:08:57,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:08:57,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:08:57,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:08:57,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:08:57,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:08:57,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:08:57,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:08:57,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:08:57,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:08:57,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:08:57,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:08:57,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:08:57,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:08:57,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:08:57,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:08:57,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:08:57,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:08:57,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:08:57,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:08:57,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:08:57,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:08:57,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:08:57,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:08:57,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:08:57,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:08:57,984 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:08:57,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:08:57,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:08:57,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:08:57,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:08:57,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:08:57,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:08:57,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:08:57,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:08:57,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:08:57,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:08:57,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:08:57,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:08:57,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:08:57,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:08:57,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:08:57,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:08:57,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:08:57,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:08:57,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:08:57,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:08:57,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:08:57,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:08:57,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:08:57,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:08:58,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:08:58,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:08:58,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:08:58,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:08:58,040 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:08:58,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 15:08:58,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19815bf22/934bbe24cf5d4f0c8148295d9a7798d9/FLAGc4366df17 [2019-09-20 15:08:58,639 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:08:58,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 15:08:58,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19815bf22/934bbe24cf5d4f0c8148295d9a7798d9/FLAGc4366df17 [2019-09-20 15:08:58,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19815bf22/934bbe24cf5d4f0c8148295d9a7798d9 [2019-09-20 15:08:58,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:08:58,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:08:58,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:08:58,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:08:58,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:08:58,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:08:58" (1/1) ... [2019-09-20 15:08:58,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:58, skipping insertion in model container [2019-09-20 15:08:58,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:08:58" (1/1) ... [2019-09-20 15:08:58,977 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:08:59,051 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:08:59,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:08:59,553 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:08:59,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:08:59,675 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:08:59,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59 WrapperNode [2019-09-20 15:08:59,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:08:59,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:08:59,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:08:59,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:08:59,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... [2019-09-20 15:08:59,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:08:59,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:08:59,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:08:59,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:08:59,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:08:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:08:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:08:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:08:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:08:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:08:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:08:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:08:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:08:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:08:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:08:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:08:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:08:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:08:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:08:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:08:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:08:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:08:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:08:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:08:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:08:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:08:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:08:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:08:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:08:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:08:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:08:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:08:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:08:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:08:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:08:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:08:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:08:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:08:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:08:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:08:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:08:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:08:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:08:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:08:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:08:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:08:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:08:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:08:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:08:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:08:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:08:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:08:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:08:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:08:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:08:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:08:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:08:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:08:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:08:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:08:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:08:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:09:01,502 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:09:01,502 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:09:01,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:01 BoogieIcfgContainer [2019-09-20 15:09:01,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:09:01,504 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:09:01,505 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:09:01,505 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:09:01,507 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:01" (1/1) ... [2019-09-20 15:09:01,507 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:09:01,534 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:09:01,534 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:09:01,543 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:09:01,553 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:09:01,554 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:09:11,556 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:09:11,602 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:09:11,656 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:09:11,662 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:09:12,814 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:09:12,853 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:09:12,862 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 15:09:12,867 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-20 15:09:12,868 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:09:12,868 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:09:12,871 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 467#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:09:12,890 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:09:12,891 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:09:12,895 INFO L168 Benchmark]: Toolchain (without parser) took 13933.35 ms. Allocated memory was 135.3 MB in the beginning and 316.1 MB in the end (delta: 180.9 MB). Free memory was 86.7 MB in the beginning and 244.5 MB in the end (delta: -157.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:12,896 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:09:12,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.19 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 86.5 MB in the beginning and 164.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:12,901 INFO L168 Benchmark]: Boogie Preprocessor took 121.03 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 160.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:12,909 INFO L168 Benchmark]: RCFGBuilder took 1702.84 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 160.7 MB in the beginning and 146.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:12,911 INFO L168 Benchmark]: Sifa took 11386.33 ms. Allocated memory was 224.9 MB in the beginning and 316.1 MB in the end (delta: 91.2 MB). Free memory was 146.3 MB in the beginning and 244.5 MB in the end (delta: -98.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:09:12,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.19 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 86.5 MB in the beginning and 164.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.03 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 160.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1702.84 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 160.7 MB in the beginning and 146.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * Sifa took 11386.33 ms. Allocated memory was 224.9 MB in the beginning and 316.1 MB in the end (delta: 91.2 MB). Free memory was 146.3 MB in the beginning and 244.5 MB in the end (delta: -98.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11337, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 230, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 10161, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 426, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 250, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 10678, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9935, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 39, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 265, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 525, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 524, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10038, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10037, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 240 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 467#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...